Which innovation extended the number of hours in a day that americans could work and play?
a. bessemer process
b. telegraph technology
c. refrigeration
d. electricity

The innovation extended the number of hours in a day that Americans could work and play is electricity. The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you, and if you would like, feel free to ask another question.

the end of the gilded age coincided with the panic of 1893, a deep depression, which lasted until 1897 and marked a major political realignment in the election of 1896. this productive but divisive era was followed by the progressive era.